[llvm] [VPlan] Emit VPVectorEndPointerRecipe for reverse interleave pointer adjustment (PR #144864)

[Mel Chen via llvm-commits]

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@@ -1706,17 +1706,22 @@ class VPWidenGEPRecipe : public VPRecipeWithIRFlags {
 
 /// A recipe to compute a pointer to the last element of each part of a widened
 /// memory access for widened memory accesses of IndexedTy. Used for
-/// VPWidenMemoryRecipes that are reversed.
+/// VPWidenMemoryRecipes or VPInterleaveRecipes that are reversed.
 class VPVectorEndPointerRecipe : public VPRecipeWithIRFlags,
                                  public VPUnrollPartAccessor<2> {
   Type *IndexedTy;
 
+  /// The constant stride of the pointer computed by this recipe.
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Mel-Chen wrote:

5a7c4bf6cf35123f17749974200a9662ee707561

https://github.com/llvm/llvm-project/pull/144864